US7361092B2 - Balance assembly for coupling first and second rotating members - Google Patents
Balance assembly for coupling first and second rotating members Download PDFInfo
- Publication number
- US7361092B2 US7361092B2 US11/343,062 US34306206A US7361092B2 US 7361092 B2 US7361092 B2 US 7361092B2 US 34306206 A US34306206 A US 34306206A US 7361092 B2 US7361092 B2 US 7361092B2
- Authority
- US
- United States
- Prior art keywords
- fastener
- aperture
- flange member
- rotation
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 230000008878 coupling Effects 0.000 title claims description 4
- 238000010168 coupling process Methods 0.000 title claims description 4
- 238000005859 coupling reaction Methods 0.000 title claims description 4
- 239000013598 vector Substances 0.000 claims abstract description 25
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/50—Flanged connections
- F16B2200/506—Flanged connections bolted or riveted
Definitions
- the present disclosure relates to a balance assembly for a motor vehicle and, more particularly, relates to a balance assembly for coupling first and second rotating members.
- a vehicle drive train includes a drive shaft assembly that transfers power to an axle assembly.
- weight is distributed unevenly about the axis of rotation of these rotating members, creating an imbalance during rotation.
- the imbalance can be measured and expressed as an imbalance vector.
- the imbalance vector can be significant enough to cause undesirable vibration.
- One such technique involves adding material to one or more of the components.
- Material can be welded, threaded, or attached to the assembly in other ways.
- the material is added in a location that is offset about an axis from the imbalance vector of the rotating members.
- the rotating mass of the added weight substantially cancels out the imbalance vector of the assembly.
- the assembly can rotate in a more balanced manner with reduced vibration.
- One problem with adding material in this method is that determining the proper location for the added material and then adding the material can be time consuming and complicated. Also, the material can detach from the assembly at some point during the operating life of the assembly.
- a flange member for a balance assembly including a first rotating element coupled to a second rotating element.
- the flange member includes a main body exhibiting a predetermined imbalance vector when rotated about an axis of rotation.
- the flange member also includes a plurality of fastener apertures for attaching one of the first and second rotation elements to the main body. Angular spacing between each of the fastener apertures is substantially equal but for one fastener aperture, such that angular spacing is greater to one side of the one fastener aperture, and such that angular spacing is less to another side of the one fastener aperture.
- a balance assembly including a first rotating element, a second rotating element, and a flange member coupled to the first rotating element.
- the flange member exhibits a predetermined imbalance vector when rotated about an axis of rotation.
- the flange member includes a plurality of fastener apertures for coupling to the second rotating element. Angular spacing between each of the fastener apertures relative to the axis of rotation is substantially equal but for one fastener aperture, such that angular spacing is greater to one side of the one fastener aperture and angular spacing is less to another side of the fastener aperture.
- a vehicle including an axle assembly, a drive shaft assembly, a plurality of fasteners, and a flange member.
- the flange member includes a first aperture that is coaxial with an axis of rotation.
- the axle assembly is coupled to the flange member via the first aperture, and the flange member includes a plurality of integrally attached projections that cause mass to be distributed unevenly about the axis of rotation to thereby cause the flange member to exhibit a predetermined imbalance vector when rotated about the axis of rotation.
- the flange member further includes a plurality of fastener apertures, and each one of the fasteners extends through a corresponding one of the plurality of fastener apertures to thereby couple the drive shaft assembly to the flange member such that the drive shaft assembly abuts against the drive face.
- Angular spacing between each of the fastener apertures is substantially equal but for one of the fastener apertures. As such, angular spacing is greater to one side of the one fastener aperture, and angular spacing is less to another side of the one fastener aperture.
- FIG. 1 is an exploded perspective view of a drive train of a vehicle that includes a flange member according to an exemplary embodiment of the present invention.
- FIG. 2 is a plan view of one embodiment of the flange member of FIG. 1 according to an exemplary embodiment of the present invention.
- a balance assembly 11 of the vehicle 10 is shown that includes a first rotating element 12 , a second rotating element 14 , and a flange member 16 .
- the flange member 16 provides more balanced rotation of the balance assembly 11 .
- the first rotating element 12 is an axle assembly 18
- the second rotating element 14 is a drive assembly 20
- the first rotating element 12 and the second rotating element 14 could be of any type other than the axle assembly 18 and the drive assembly 20 , respectively, without departing from the scope of the present disclosure.
- the balance assembly 11 could be of any suitable type independent of a vehicle 10 without departing from the scope of the present disclosure.
- components of the axle assembly 18 , components from the drive assembly 20 , and the flange member 16 rotate as a unit about an axis of rotation, A. More specifically, the flange member 16 interconnects the first rotating element 12 and the second rotating element 14 to allow power to be transferred between the axle assembly 18 and the drive assembly 20 .
- the axle assembly 18 includes a housing 22 and a rotating shaft 24 that rotates about the axis, A, relative to the housing 22 .
- the drive assembly 20 includes a drive shaft 26 and a first yoke 28 that is coupled to and rotates with the drive shaft 26 .
- the drive assembly 20 also includes a second yoke 30 , which will be described in greater detail below.
- the drive assembly 20 includes universal joint member 32 that interconnects the first yoke 28 and the second yoke 30 such that the second yoke 30 is able to rotate with and pivot relative to the first yoke 28 . It should be appreciated that the components of the axle assembly 18 and the drive assembly 20 can be of various sizes and can have various features according to the particular requirements of the balance assembly 11 without departing from the scope of the present disclosure.
- the second yoke 30 includes a first body 34 and a second body 36 that is integrally attached to the first body 34 .
- the first body 34 is generally flat and includes a plurality of projections 38 that extend transverse to the axis, A.
- the second body 36 is U-shaped and is oriented perpendicular to the first body 34 .
- the second body 36 also includes a plurality of first apertures 40 that extend transverse to the axis, A.
- the universal joint member 32 is coupled to the second yoke 30 via fasteners that extend through the first apertures 40 .
- the second yoke 30 also includes a plurality of second apertures 42 .
- Each of the second apertures 42 extend through one of the projections 38 approximately parallel to the axis, A.
- each of the second apertures 42 is radially spaced from the axis, A, by approximately the same amount.
- the flange member 16 includes a main body 44 that is generally flat so as to define a drive face 46 and an axle face 48 .
- the main body 44 includes a base portion 50 and a plurality of projections 52 . (The delineation between the base portion 50 and the projections 52 is represented in FIG. 2 by a dashed line.)
- the projections 52 are integrally attached to the base portion 50 and extend away from the base portion 50 transverse to the axis, A.
- the flange member 16 also includes a first aperture 54 that is coaxial with the axis of rotation, A.
- the flange member 16 also includes a plurality of fastener apertures 56 .
- Each fastener aperture 56 is included on one of the projections 52 and extends approximately parallel to the axis of rotation, A. As shown in FIG. 2 , each of the fastener apertures 56 are disposed at approximately the same radial distance away from the axis of rotation, A.
- the radial distance of the fastener apertures 56 could vary without departing from the scope of the invention. It will also be appreciated that the flange member 16 could include any number of fastener apertures 56 without departing from the scope of the present invention.
- the axle assembly 18 is coupled to the flange member 16 via the first aperture 54 .
- the flange member 16 is pressed onto the rotating shaft 24 of the axle assembly 18 such that the rotating shaft 24 is disposed in the first aperture 54 .
- a fastener such as a nut, is used to further retain the flange member 16 on the rotating shaft 24 . Accordingly, the flange member 16 is able to rotate with the rotating shaft 24 of the axle assembly 18 .
- the balance assembly 10 further includes a plurality of fasteners 58 .
- the fasteners 58 are bolts and nuts.
- the fasteners 58 could be of any suitable type without departing from the scope of the invention.
- Each one of the fasteners 58 extends through a second aperture 42 of the second yoke 30 and also through a fastener aperture 56 of the flange member 16 to thereby couple the drive shaft assembly 20 to the flange member 16 .
- the second yoke drive shaft assembly 20 substantially abuts against the drive face 46 of the flange member 16 . Accordingly, the flange member 16 is able to rotate with the rotating shaft 24 of the axle assembly 18 and with the second yoke 30 of the drive shaft assembly 20 .
- the flange member 16 exhibits a predetermined imbalance vector F′ when rotated about the axis of rotation.
- the mass of the main body 44 of the flange member 16 is distributed unevenly about the axis of rotation, A, to cause the predetermined imbalance vector F′.
- the mass of the base portion 50 is unevenly distributed about the axis of rotation, A.
- the projections 52 are of different sizes and the projections 52 are disposed unevenly about the periphery of the base portion 50 such that the mass of the flange member 16 is distributed unevenly about the axis of rotation, A.
- the mass can be distributed in any suitable manner such that the flange member 16 exhibits the desired imbalance vector F′.
- the imbalance vector of the drive assembly 20 and the axle assembly 18 are determined. Then, a combined imbalance vector F is calculated by adding both of these imbalance vectors as shown in FIG. 1 .
- the flange member 16 having a predetermined imbalance vector F′, is installed such that the imbalance vector F′ of the flange member 16 is directed approximately 180° away from the combined imbalance vector F of the drive assembly 20 and the axle assembly 18 (with respect to the axis, A) as shown in FIG. 1 . Because the imbalance vectors F, F′ are offset, the balance assembly 11 rotates with Less vibration.
- the sole means for achieving the imbalance vector F′ of the flange member 16 is by distributing integrally attached mass, i.e., the mass of the base portion 50 and the projections 52 , unevenly about the axis, A.
- the flange member 16 is different from many prior art balancing means, including welding material, threading material, or otherwise adding mass to the rotating components.
- the balance assembly 11 can be assembled more easily. Once the flange member 16 is installed, no additional material need be attached for achieving balanced rotation. Accordingly, it is significantly less confusing, less time consuming, and more convenient to utilize the flange member 16 for balancing the balance assembly 11 .
- the fastener apertures 56 include a first fastener aperture 60 , a second fastener aperture 62 , a third fastener aperture 64 , and an alignment aperture 66 .
- the second fastener aperture 62 is angularly spaced from the first fastener aperture 60 (its neighboring fastener aperture) by ⁇ .
- the third fastener aperture 64 is angularly spaced from the second fastener aperture 62 (its neighboring fastener aperture) by ⁇ as well.
- the angular space ⁇ between the first and second apertures 60 , 62 and between the second and third apertures 62 , 64 is substantially the same.
- the alignment aperture 66 is angularly spaced from the third fastener aperture 64 by a substantially different amount, ⁇ ′, as compared to the angular spacing, ⁇ , between the first and second fastener apertures 60 , 62 and between the second and third fastener apertures 62 , 64 .
- the angular spacing, ⁇ ′′, between the alignment aperture 66 and the first fastener aperture 60 is different than ⁇ as well. In one embodiment, for instance, ⁇ is approximately 90°, ⁇ ′ is approximately 100°, and ⁇ ′′ is approximately 80°.
- the flange member 16 can be manufactured more easily. For instance, when manufacturing the flange member 16 of FIG. 2 , the first fastener aperture 60 can be formed. Then, the flange member 16 is rotated relative to the drill bit by ⁇ before forming the second fastener aperture 62 . The flange member 16 is then rotated by the same amount ⁇ before forming the third fastener aperture 64 . It is only with the alignment aperture 66 that the amount of rotation changes.
- the flange member 16 is relatively simple to manufacture because all mass is integrally attached, and because only one fastener aperture 56 has irregular angular spacing. In addition, the flange member 16 can only be installed in one orientation in the balance assembly 11 because of the alignment aperture 66 is offset. More specifically, if it is attempted to install the flange member 16 with the drive face 46 facing the axle assembly and the axle face 48 facing the drive assembly 20 , at least one of the second apertures 42 of the second yoke 30 will be misaligned with at least one fastener aperture 56 of the flange member 16 . Accordingly, the fastener apertures 56 are disposed on the flange member 16 to ensure proper installation and to ensure proper balancing of the balance assembly 11 .
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/343,062 US7361092B2 (en) | 2006-01-30 | 2006-01-30 | Balance assembly for coupling first and second rotating members |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/343,062 US7361092B2 (en) | 2006-01-30 | 2006-01-30 | Balance assembly for coupling first and second rotating members |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070178976A1 US20070178976A1 (en) | 2007-08-02 |
US7361092B2 true US7361092B2 (en) | 2008-04-22 |
Family
ID=38322791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/343,062 Active 2026-08-03 US7361092B2 (en) | 2006-01-30 | 2006-01-30 | Balance assembly for coupling first and second rotating members |
Country Status (1)
Country | Link |
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US (1) | US7361092B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130202351A1 (en) * | 2011-06-09 | 2013-08-08 | Zhejiang Linix Motor Co., Ltd. | Punching Sheet-Type Flange |
CN104048126A (en) * | 2014-06-17 | 2014-09-17 | 德清恒丰机械有限公司 | Flange forge piece |
US20140270930A1 (en) * | 2013-03-15 | 2014-09-18 | Sunpower Corporation | Nested torque tubes for photovoltaic tracking systems |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2602308A (en) * | 1943-02-06 | 1952-07-08 | Reliephographie Soc Pour L Exp | Device for restoring trueness of rotary shafts |
FR2427507A1 (en) * | 1978-05-31 | 1979-12-28 | Vassal Michel | Vehicle wheel antitheft device - has nut with cylindrical body including irregularly spaced holes for engagement by special key |
US4478593A (en) * | 1981-06-08 | 1984-10-23 | Gordon Brown | Coupling of unrelated engine and transmission |
US5096345A (en) | 1991-04-18 | 1992-03-17 | Hironobu Toyomoto | Balanceable holder for machine tools |
US5133226A (en) | 1989-07-04 | 1992-07-28 | Gkn Automotive Ag | Connecting part equippable with balance weights for cardan shafts and process for balancing |
JPH06227274A (en) * | 1993-01-30 | 1994-08-16 | Suzuki Motor Corp | Propeller shaft |
US5450337A (en) * | 1993-02-16 | 1995-09-12 | Industrial Technology Research Institute | Two-dimension unbalance correction device |
US6123623A (en) | 1996-03-22 | 2000-09-26 | Unisia Jecs Corporation | Vehicle propeller shaft with a balance corrector |
US6855087B2 (en) | 2002-11-19 | 2005-02-15 | Visteon Global Technologies, Inc. | Axle assembly |
US6893349B2 (en) | 2003-02-14 | 2005-05-17 | Visteon Global Technologies, Inc. | Assembly for balancing a shaft assembly with misbuild prevention device |
US7134361B2 (en) * | 2001-07-03 | 2006-11-14 | Isuzu Motors Limited | Flywheel and mounting method for same |
-
2006
- 2006-01-30 US US11/343,062 patent/US7361092B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2602308A (en) * | 1943-02-06 | 1952-07-08 | Reliephographie Soc Pour L Exp | Device for restoring trueness of rotary shafts |
FR2427507A1 (en) * | 1978-05-31 | 1979-12-28 | Vassal Michel | Vehicle wheel antitheft device - has nut with cylindrical body including irregularly spaced holes for engagement by special key |
US4478593A (en) * | 1981-06-08 | 1984-10-23 | Gordon Brown | Coupling of unrelated engine and transmission |
US5133226A (en) | 1989-07-04 | 1992-07-28 | Gkn Automotive Ag | Connecting part equippable with balance weights for cardan shafts and process for balancing |
US5096345A (en) | 1991-04-18 | 1992-03-17 | Hironobu Toyomoto | Balanceable holder for machine tools |
JPH06227274A (en) * | 1993-01-30 | 1994-08-16 | Suzuki Motor Corp | Propeller shaft |
US5450337A (en) * | 1993-02-16 | 1995-09-12 | Industrial Technology Research Institute | Two-dimension unbalance correction device |
US6123623A (en) | 1996-03-22 | 2000-09-26 | Unisia Jecs Corporation | Vehicle propeller shaft with a balance corrector |
US7134361B2 (en) * | 2001-07-03 | 2006-11-14 | Isuzu Motors Limited | Flywheel and mounting method for same |
US6855087B2 (en) | 2002-11-19 | 2005-02-15 | Visteon Global Technologies, Inc. | Axle assembly |
US6893349B2 (en) | 2003-02-14 | 2005-05-17 | Visteon Global Technologies, Inc. | Assembly for balancing a shaft assembly with misbuild prevention device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130202351A1 (en) * | 2011-06-09 | 2013-08-08 | Zhejiang Linix Motor Co., Ltd. | Punching Sheet-Type Flange |
US9464673B2 (en) * | 2011-06-09 | 2016-10-11 | Zhejiang Linix Motor Co., Ltd. | Punching sheet-type flange |
US20140270930A1 (en) * | 2013-03-15 | 2014-09-18 | Sunpower Corporation | Nested torque tubes for photovoltaic tracking systems |
US9279457B2 (en) * | 2013-03-15 | 2016-03-08 | Sunpower Corporation | Nested torque tubes for photovoltaic tracking systems |
CN104048126A (en) * | 2014-06-17 | 2014-09-17 | 德清恒丰机械有限公司 | Flange forge piece |
CN104048126B (en) * | 2014-06-17 | 2016-03-23 | 德清恒丰机械有限公司 | flange forge piece |
Also Published As
Publication number | Publication date |
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US20070178976A1 (en) | 2007-08-02 |
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